Simplex Fittings (Simplex Steel Industries) is an ISO 9001:2008 certified manufacturer, supplier, and exporter of high-quality pipe fittings, flanges, and piping components based in Mumbai, India. The company specializes in stainless steel, carbon steel, alloy steel, duplex, and nickel alloy products, including elbows, tees, reducers, caps, bends, and forged fittings.